Yimam, Baye (PhD)Amensa, Tujube2019-11-062023-11-082019-11-062023-11-082010-09http://etd.aau.edu.et/handle/123456789/19901This th esis exami nes th e stru c ture of negat ion in Afan Oromo. T here are morphological and lexical negatio ns in th e language. The morphologica l negation is used with finite verbs and the lexical negat io n is used with n on -finite verb s and nominals. The verbal negative mark e rs are used in perfective and imperfective clauses. In perfective clauses, hill -11- mark nega ti on, a nd in impe rfecti ve clauses, hin -u- mark negation. In copular clauses, th e fo rm miti is used to mark negation. In no minals, the form malee is used to mark negation. There a re also inh ere ntl y nega tive verbs in th e lang uage w hi c h m ay occur with the m orph o logical negative marker and render a ffi rmat ive re ad in g . In additi on to these, there are i ndefinite prono u ns t hat may re nder negative readings. Negation interacts with functional ca tegories such as as pect, agreem ent , focu s and mo od.enLinguisticsThesis